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When a gas at reduced pressure is subjected to an electric discharge, the rays orignating from the negative electrode are–
- a)Anode rays
- b)Cathode rays
- c)x-rays
- d)Radiation ray
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
When a gas at reduced pressure is subjected to an electric discharge, ...
Cathode ray, stream of electrons leaving the negative electrode (cathode) in a discharge tube containing a gas at low pressure, or electrons emitted by a heated filament in certain electron tubes. Cathode rays focused on a hard target (anticathode) produce X-rays or focused on a small object in a vacuum generate very high temperatures (cathode-ray furnace). When cathode rays strike certain molecules used to coat a cathode screen, they cause the molecules (and hence the screen) to emit light.
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When a gas at reduced pressure is subjected to an electric discharge, ...
Called cathode rays. These rays consist of a stream of negatively charged particles (electrons) that are accelerated towards the positive electrode (anode) due to the electric field. The cathode rays are responsible for the glow that is observed in a gas discharge tube and can also produce various effects such as fluorescence, phosphorescence, and ionization of the gas. Cathode rays are important in the study of electronics and have led to the development of devices such as cathode ray tubes (CRTs) used in televisions and computer monitors.
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